oj.uz

Submission #329707

# Submission time Handle Problem Language Result Execution time Memory
329707 2020-11-22T06:16:36 Z NintsiChkhaidze Stations (IOI20_stations) C++14
0 / 100
 933 ms 1120 KB 
#include "stations.h"
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
vector <int> vec[1005];
int cnt,in[1005],out[1005];
void dfs(int x,int p){
    in[x] = ++cnt;
    for (int j=0;j<vec[x].size();j++){
        int to = vec[x][j];
        if (to == p) continue;
        dfs(to,x);
    }
    out[x] = cnt;
}
 
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
    vector<int> labels;
    for (int i=0;i<1000;i++){
        vec[i].clear();
        in[i] = out[i] = 0;
    }
    for (int i=0;i<u.size();i++){
        vec[u[i]].pb(v[i]);
        vec[v[i]].pb(u[i]);
    }
    cnt=0;
    dfs(0,0);
    for (int i=0;i<n;i++)
        labels.pb(in[i]*1001 + out[i]);
    
    return labels;
}
int find_next_station(int s, int t, vector<int> c) {
    int Ins = s/1001,Outs = s%1001,Int = t/1001,Out = t%1001;
    if (Ins < Int){
        for (int i=0;i<c.size();i++){
            if (Int >= c[i]/1001 && c[i]%1001 >= Out) return c[i];
        }
    }
    else{
        for (int i=0;i<c.size();i++){
            if (Int <= c[i]/1001 && c[i]%1001 <= Out) return c[i];
        }
    }
}

Compilation message

stations.cpp: In function 'void dfs(int, int)':
stations.cpp:9:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for (int j=0;j<vec[x].size();j++){
      |                  ~^~~~~~~~~~~~~~
stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:23:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for (int i=0;i<u.size();i++){
      |                  ~^~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:37:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |         for (int i=0;i<c.size();i++){
      |                      ~^~~~~~~~~
stations.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |         for (int i=0;i<c.size();i++){
      |                      ~^~~~~~~~~
stations.cpp:35:22: warning: unused variable 'Outs' [-Wunused-variable]
   35 |     int Ins = s/1001,Outs = s%1001,Int = t/1001,Out = t%1001;
      |                      ^~~~
stations.cpp:46:1: warning: control reaches end of non-void function [-Wreturn-type]
   46 | }
      | ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 492 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=0, label=1011
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 364 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=0, label=1997
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 492 KB Invalid labels (values out of range). scenario=4, k=1000000, vertex=476, label=1000999
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 933 ms 992 KB Output is correct
2 Runtime error 3 ms 1028 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Runtime error 4 ms 1120 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -